%sortbib:  Updated:  01oct2007
%sortbib:
%sortbib:  article                930
%sortbib:  book                   407
%sortbib:  booklet                  2
%sortbib:  incollection            10
%sortbib:  inproceedings           54
%sortbib:  inrep                   90
%sortbib:  manual                   3
%sortbib:  misc                    52
%sortbib:  phdthesis                3
%sortbib:  techreport               8
%sortbib:  unpublished             12
%sortbib:  --------------------------
%sortbib:  total entries         1571

%% bibtexfile{
%%   author	= "Jeffrey S. Pitblado",
%%   filename	= "sj.bib",
%%   email	= "<jpitblado at stata.com>"
%% }
@String{JASA  = {{Journal of the American Statistical Association}}}
@String{JCGS  = {{Journal of Computational and Graphical Statistics}}}
@String{JRSSA = {{Journal of the Royal Statistical Society, {\rm Series A}}}}
@String{JRSSB = {{Journal of the Royal Statistical Society, {\rm Series B}}}}


@article{Kumbhakar2009The,
  title={The effects of match uncertainty and bargaining on labor market outcomes: evidence from firm and worker specific estimates},
  author={Kumbhakar, Subal C. and Parmeter, Christopher F.},
  journal={Journal of Productivity Analysis},
  volume={31},
  number={1},
  pages={1-14},
  year={2009},
}

@article{Fried2008Efficiency,
  title={Efficiency and productivity},
  author={Fried, Harold O. and Lovell, Charles A. K. and Schmidt, Shelton S.},
  journal={Evidence-based Healthcare},
  volume={1},
  number={3},
  pages={53},
  year={2008},
}

@article{Kumbhakar2011Some,
  title={Some Recent Developments in Efficiency Measurement in Stochastic Frontier Models},
  author={Kumbhakar and Subal, C and Tsionas and Efthymios, G},
  journal={Journal of Probability and Statistics,2011,(2011-11-8)},
  volume={2011},
  number={1687-952X},
  year={2011},
}

@article{Schmidt1977Formulation,
  title={Formulation and estimation of stochastic frontier production function models ?},
  author={Schmidt, Lovell Peter},
  journal={Journal of Econometrics},
  volume={6},
  number={1},
  pages={21-37},
  year={1977},
}

@article{Meeusen1977Efficiency,
  title={Efficiency Estimation from Cobb-Douglas Production Functions with Composed Error},
  author={Meeusen, Wim and Broeck, Julien Van Den},
  journal={International Economic Review},
  volume={18},
  number={2},
  pages={435-444},
  year={1977},
}

@article{Pitt2006The,
  title={The measurement and sources of technical inefficiency in the Indonesian weaving industry},
  author={Pitt, Mark M and Lee, Lung Fei},
  journal={Journal of Development Economics},
  volume={9},
  number={1},
  pages={43-64},
  year={2006},
}

@article{Cornwell1990Production,
  title={Production frontiers with cross-sectional and time-series variation in efficiency levels ?},
  author={Cornwell, Christopher and Schmidt, Peter and Sickles, Robin C.},
  journal={Journal of Econometrics},
  volume={46},
  number={1},
  pages={185-200},
  year={1990},
}

@article{Lu2011Measurement,
  title={Measurement of the Information Asymmetric in Medical Service Market of China},
  author={Lu, Hongyou and Lian, Yujun and Lu, Shengfeng},
  journal={Economic Research Journal},
  year={2011},
}


@article{Farrell1957The,
  title={The Measurement of Productive Efficiency},
  author={Farrell, M. J.},
  journal={Journal of the Royal Statistical Society},
  volume={120},
  number={3},
  pages={253-290},
  year={1957},
}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


@Inproceedings{ABG2005,
  author      = {H. Alda and S. Bender and H. Gartner},
  title       = {The linked employer--employee dataset of the IAB (LIAB)},
  number      = {IAB Discussion Paper 06/2005},
  year        = {2001},
  url         = {\hfil\break
                      http://doku.iab.de/discussionpapers/2005/dp0605.pdf.}
}

@Book{ABS87,
author = {A. B{\"o}rsch-Supan},
title = {Econometric Analysis of Discrete Choice},
year = {1987},
address = {Heidelberg},
publisher = {Springer}
}

@Article{ABS90NL,
year = {1990},
author = {A. B{\"o}rsch-Supan},
title = {On the compatibility of nested logit models with utility 
maximization},
journal ={Journal of Econometrics},
volume = {43},
pages = {373--388}
}

@techreport{ACK2002,
 author		= {J. Abowd and R. Creecy and F. Kramarz},
 title		= {Computing person and firm effects using linked longitudinal
 employer--employee data},
 institution	= {U.S. Census Bureau},
  number  = {2002-06},
 year  	= {2002},
 url = {http://lehd.dsd.census.gov/led/library/techpapers/tp-2002-06.pdf}
}

@ARTICLE{AG2000,
  author = {R. Michael Alvarez and Garrett Glasgow},
  year = 2000,
  title = {Two stage estimation of nonrecursive choice models},
  journal = {Political Analysis},
  volume = 8,
  pages = {147--165}
}

@ARTICLE{AKM1999,
 author		= {J. M. Abowd and F. Kramarz and D. N. Margolis},
 title		= {High wage workers and high wage firms},
  journal = {Econometrica},
  year = {1999},
  volume = {67},
  pages = {251--333}
}

@Misc{ARSIQA03,
   author       = {{Agenzia Regionale di Sanit\`a della Toscana}},
   title        = {Indicatori sulla salute e l'assistenza agli anziani},
   url          = {http://www.arsanita.toscana.it},
   year         = {2005}
}

@techreport{AdamsWu2002,
author = {Adams, R. and Wu, M.},
year = {2002},
title = {PISA 2000 technical report},
institution= {OECD, Paris},
url = {\mbox{http://www.pisa.oecd.org/dataoecd/53/19/33688233.pdf}}
}


@ARTICLE{Agresti92,
  author = {A. Agresti},
  title = {Modeling patterns of agreement and disagreement},
  year = {1992},
  journal = {Statistical Methods in Medical Research},
  volume={1},
  pages = {201--218}
}

@ARTICLE{AlonsoHerrera,
  author = {C. Alonso and C. Herrera},
  year = {2001},
  title = {Patterns made of patterns: variation
and covariation of leaf nutrient concentrations within and between
populations of \textit{prunus mahaleb}},
  journal = {New Phytologist},
  volume = {150},
  pages = {629--640}
}

@ARTICLE{AltChitty93,
  author = {D. G. Altman and L. S. Chitty},
  title = {Design and analysis of studies to derive charts of fetal size},
  year = 1993,
  journal = {Ultrasound in Obstetrics and Gynecology},
  volume = 3,
  pages = {378--384}
}

@unpublished{AnMS04,
 author     = {D.~W.~K. Andrews and M. Moreira and J. Stock},
 title      = {Optimal two-sided invariant similar tests for instrumental
                variables regression},
 note       = {unpublished manuscript},
 year  	    = {2004}
} 

@Article{AnMS05,
 author     = {D.~W.~K. Andrews and M. J. Moreira and J. H. Stock},
 title      = {Performance of conditional Wald tests in {\smrm IV} regression with
  weak instruments},
 journal    = {Journal of Econometrics},
 year       = {2007},
volume = {139},
pages = {116--132},
}

@Inproceedings{AnS05,
 author     = {D.~W.~K. Andrews and J. Stock},
 title      = {Inference with weak instruments},
 number = {Discussion Paper No.~1530},
 address = {New Haven, CT},
 publisher = {Cowles Foundation},
 year       = {2005}
}

@book{Anselin:1988,
	Author = {Anselin, Luc},
	Title = {Spatial Econometrics: Methods and Models},
	Publisher = {Kluwer Academic Publishers},
	Address = {Dordrecht},
	Year = {1988} 
}

@incollection{Anselin:2001,
	Author = {Anselin, Luc},
	Title = {Spatial Econometrics},
	BookTitle = {A Companion to Theoretical Econometrics},
	Editor = {Baltagi, Badi H.},
	Pages = {310--330},
	Publisher = {Blackwell Scientific Publications},
	Address = {Oxford},
	Year = {2001} }
   
@article{Besag:1974,
	Author = {Besag, J.},
	Title = {Spatial interaction and the statistical analysis of lattice systems},
      journal = {Journal of the Royal Statistical Society, Series~B},
	Pages = {192--236},
	volume = 36,
	Year = {1974} }
	
@book{ESRI:2000,
	Author = {{Environmental Systems Research Institute ({\smrm ESRI})}},
	Title = {ArcView 3.2 On-line Help},
	Publisher = {Environmental Systems Research Institute},
	Address = {Redlands, CA},
	Year = {2000} }

@article{Muller:2002,
	Author = {M\"uller, Daniel and Manfred Zeller},
	Title = {Land use dynamics in the central highlands of Vietnam: A spatial model combining village survey data and satellite imagery interpretation},
	Journal = {Agricultural Economics},
	Volume = {27},
	Number = {3},
	Pages = {333--354},
	Year = {2002} }

@book{Muller:2003,
	Author = {M\"uller, Daniel},
	Title = {Land-use Change in the Central Highlands of Vietnam: A spatial econometric model combining satellite imagery and village survey data},
	Publisher = {http://webdoc.sub.gwdg.de/diss/2003/mueller/},
	Address = {Doctoral dissertation, Institute of Rural Development, Georg-August University G\"ottingen},
	Year = {2003} }

@article{Nelson:2002,
	Author = {Nelson, Gerald C. and Jacqueline Geoghegan},
	Title = {Deforestation and land use change: sparse data environments},
	Journal = {Agricultural Economics},
	Volume = {27},
	Number = {3},
	Pages = {201--216},
	Year = {2002} }

@incollection{Tobler:1979,
	Author = {Tobler, Waldo},
	Title = {Cellular Geography},
	BookTitle = {Philosophy in Geography},
	Editor = {Gale, S. and G. Olsson},
	Publisher = {Reidel},
	Address = {Dordrecht},
	Pages = {379--389},
	Year = {1979} }

@BOOK{hamilton92,
author              = { Hamilton, Lawrence C. },
title               = { Regression with Graphics: A Second Course in Applied
                        Statistics },
year                = 1992,
publisher           = {Brooks/Cole},
address             = {Pacific Grove, CA}
}

@ARTICLE{Aranda81,
  author = {F. J. Aranda-Ordaz},
  title = {On two families of transformations to additivity for 
           binary response data},
  year = 1981,
  journal = {Biometrika},
  volume = 68,
  pages = {357--363}
}

@ARTICLE{BB89,
  author = {E. L. Bradley and L. G. Blackwood},
  title = {Comparing paired data: a simultaneous test for means and variances},
  year = 1989,
  journal = {American Statistician},
  volume = 43,
  pages = {234--235}
}

@Article{BBC99,
author = {Christopher F. Baum and John T. Barkoulas and Mustafa Caglayan},
year = {1999},
title = {Long memory or structural breaks:  Can either explain nonstationary
exchange rates under the current float?},
journal = {Journal of International Financial Markets, Institutions, and Money},
volume = {9},
pages = {359--376},
note = {Available as Boston College Economics Working Paper No. 380,
       \mbox{http://fmwww.bc.edu/ec-p/wp380.pdf}}
}

@ARTICLE{BCG1981,
  author = {Burt S. Barnow and Glen G. Cain and Arthur S. Goldberger},
  year = 1981,
  title = {Issues in the analysis of selectivity bias},
  journal = {Evaluation Studies Review Annual},
  volume = 5,
  pages = {43--59}
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@Book{BCW88,
  author     = {R. A. Becker and J. M. Chambers and A. R. Wilks},
  title = {The New S Language: A Programming Environment for Data Analysis and Graphics},
  year = {1988},
  address = {Pacific Grove, CA},
  publisher = {Wadsworth and Brooks/Cole}
}

@Article{BG,
 author         = {D. P. Byar  and  S. B. Green},
 title          = {Prognostic variables for survival in a
		randomized comparison of treatments for prostate cancers},
 journal        = {Bulletin du Cancer},
 volume         = {67},
 pages          = {477--490},
 month          = {},
 year           = {1980}
}

@Article{BGX,
	author={Badi H. Baltagi and James M. Griffin and Weiwen Xiong},
	title={To pool or not to pool: Homogeneous versus heterogeneous
	       estimators applied to cigarette demand},
	journal={Review of Economics and Statistics},
	volume={82},
	year={2000},
	pages={117--126}
}

@Inproceedings{BHK2000,
  author      = {S. Bender and A. Haas and C. Klose},
  title       = {IAB employment subsample 1975--1995: Opportunities for
  analysis provided by the anonymised subsample},
  number      = {IZA Discussion Paper No.~117},
  year        = {2000},
  url = {ftp://ftp.iza.org/dps/dp117.pdf}
}

@ARTICLE{BK99,
  author = {E. Bauer and R. Kohavi},
  title = {An empirical comparison of voting classification algorithms:
  Bagging, boosting, and variants},
  year = 1999,
  journal = {Machine Learning},
  volume = 36,
  pages = {105--139}
}

@Article{BSS03,
author = {Christopher F. Baum and Mark E. Schaffer and Steven Stillman},
year = {2003},
title = {Instrumental variables and {\smrm GMM}: Estimation and testing},
journal = {Stata Journal},
volume = {3},
pages = {1--31},
}

@Article{BSS04,
author = {Christopher F. Baum and Mark E. Schaffer and Steven Stillman},
year = {2004},
title = {Software updates: Instrumental variables and {\smrm GMM}: Estimation and testing},
journal = {Stata Journal},
volume = {4},
pages = {224}
}

@Article{BSS05,
author = {Christopher F. Baum and Mark E. Schaffer and Steven Stillman},
year = {2005},
title = {Software updates: Instrumental variables and GMM: Estimation and
testing},
journal = {Stata Journal},
volume = {5},
pages = {607}
}

@ARTICLE{Baker1994,
  author = {Stuart G. Baker},
  year = 1994,
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@ARTICLE{Bamber75,
  author = {D. Bamber},
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@article{Banz1981,
	author={Rolf W. Banz},
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@ARTICLE{BarnRub99,
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@Article{Baum2001,
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@Article{Baum2001a,
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@Article{Baum2001b,
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  title = {Software updates: Residual diagnostics for cross-section time-series regression models},
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@ARTICLE{Bennett83,
  author = {S. Bennett},
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@Article{BergerSellke,
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title = {The irreconcilability of P values and evidence (with discussion)},
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@article{BertrandDufloMullainathan04,
	author={Marianne Bertrand and Esther Duflo and Sendhil Mullainathan},
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@ARTICLE{Bittietal,
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@ARTICLE{Bottai03,
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@ARTICLE{BreuschPagan,
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@article{CCMT90,
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@ARTICLE{CFG83,
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@BOOK{CHS04,
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@Article{CM2003,
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@Article{CMR,
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@BOOK{CP50,
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@BOOK{CameronTrivedi,
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@BOOK{CameronTrivedi2005,
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@book{CampbellLoMacKinlay1997,
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@Article{Cantor96,
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@ARTICLE{Carlin03,
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@ARTICLE{Carlin08,
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@ARTICLE{Hsu05,
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@Article{MengSchmidt,
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@Book{CarlinLouis,
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@article{Carr87,
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   Year = {1987} 
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@ARTICLE{Chernoff1954,
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@Article{Chesher84,
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@ARTICLE{ChianoClayton,
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@ARTICLE{Christensen75,
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@ARTICLE{ClarkAltman03,
  author = {T. G. Clark and D. G. Altman},
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@BOOK{ClaytonHills,
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@article{Cleveland84,
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@ARTICLE{Cleves97,
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@inrep{Cleves99,
  author = {M. A. Cleves},
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@inrep{Cleves99a,
  author = {M. A. Cleves},
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  year = {1999}
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@ARTICLE{Concorde,
  author = {{Concorde Coordinating Committee}},
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@Article{Cooper,
 author     = {Phillip J. Cooper},
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@Article{bunKiv05,
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@Book{cajori28,
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@Article{cookweisberg83,
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@Article{cox02a,
  author = {N. J. Cox},
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@Article{cox08a,
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@Article{cox08b,
  author = {N. J. Cox},
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  pages = {269--289}
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@Article{cox2008c,
  author = {N. J. Cox},
  title = {Speaking Stata: Correlation with confidence, or Fisher's z revisited},
  journal = {Stata Journal},
  year = {2008},
volume = {8}, 
  pages = {413--439}
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@Article{cox2008d,
  author = {N. J. Cox and G. M. Longton},
  title = {Speaking Stata: Distinct observations},
  journal = {Stata Journal},
  year = {2008},
volume = {8}, 
  pages = {557--568}
}

@Article{cox2009b,
  author = {N. J. Cox},
  title = {Speaking Stata: I. J. Good and quasi-Bayes smoothing of categorical frequencies},
  journal = {Stata Journal},
  year = {2009},
volume = {9}, 
  pages = {306--314}
}

@Article{cox02b,
  author = {N. J. Cox},
  title = {Speaking Stata: How to face lists with fortitude},
  journal = {Stata Journal},
  year = {2002},
volume = {2},
  pages = {202--222}
}

@Article{cox02c,
  author = {N. J. Cox},
  title = {Speaking Stata: On numbers and strings},
  journal = {Stata Journal},
  year = {2002},
volume = {2},
  pages = {314--329}
}

@Article{cox02d,
  author = {N. J. Cox},
  title = {Speaking Stata: On getting functions to do the work},
  journal = {Stata Journal},
  year = {2002},
volume = {2},
  pages = {411--427}
}

@Article{cox03a,
  author = {N. J. Cox and U. Kohler},
  title = {Speaking Stata: On structure and shape: the case of multiple responses},
  journal = {Stata Journal},
  year = {2003},
volume = {3},
  pages = {81--99}
}

@Article{cox03b,
  author = {N. J. Cox},
  title = {Speaking Stata: Problems with lists},
  journal = {Stata Journal},
  year = {2003},
volume = {3},
  pages = {185--202}
}

@Article{cox03c,
  author = {N. J. Cox},
  title = {Speaking Stata: Problems with tables, Part I},
  journal = {Stata Journal},
  year = {2003},
volume = {3},
  pages = {309--324}
}

@Article{cox03d,
  author = {N. J. Cox},
  title = {Speaking Stata: Problems with tables, Part II},
  journal = {Stata Journal},
  year = {2003},
volume = {3},
  pages = {420--439}
}

@Article{cox04a,
  author = {N. J. Cox},
  title = {Speaking Stata: Graphing distributions},
  journal = {Stata Journal},
  year = {2004},
volume = {4},
  pages = {66--88}
}

@Article{cox04b,
  author = {N. J. Cox},
  title = {Speaking Stata: Graphing categorical and compositional data},
  journal = {Stata Journal},
  year = {2004},
volume = {4},
  pages = {190--215}
}

@Article{cox04c,
  author = {N. J. Cox},
  title = {Speaking Stata: Graphing agreement and disagreement},
  journal = {Stata Journal},
  year = {2004},
volume = {4},
  pages = {329--349}
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@Article{cox04d,
  author = {N. J. Cox},
  title = {Speaking Stata: Graphing model diagnostics},
  journal = {Stata Journal},
  year = {2004},
volume = {4},
  pages = {449--475}
}

@Article{cox05b,
  author = {N. J. Cox},
  title = {Speaking Stata: Density probability plots},
  journal = {Stata Journal},
  year = {2005},
volume = {5},
  pages = {259--273}
}

@Article{cox05c,
  author = {N. J. Cox},
  title = {Speaking Stata: The protean quantile plot},
  journal = {Stata Journal},
  year = {2005},
volume = {5},
  pages = {442--460}
}

@Article{cox05d,
  author = {N. J. Cox},
  title = {Suggestions on Stata programming style},
  journal = {Stata Journal},
  year = {2005},
volume = {5},
  pages = {560--567}
}

@Article{cox06a,
  author = {N. J. Cox},
  title = {Speaking Stata: \smash[a]Time of day},
  journal = {Stata Journal},
  year = {2006},
volume = {6}, 
  pages = {124--137}
}

@Article{cox06c,
  author = {N. J. Cox},
  title = {Speaking Stata: \smash[b]Graphs for all seasons},
  journal = {Stata Journal},
  year = {2006},
volume = {6}, 
  month={December},
  pages = {397--419}
}

@Article{cox07a,
  author = {N. J. Cox},
  title = {Speaking Stata: Making it count},
  journal = {Stata Journal},
  year = {2007},
  volume = {7}, 
  pages = {117--130}
}

@Article{tip6,
  author = {N. J. Cox},
  title = {Stata tip 6: Inserting awkward characters in the plot},
  journal = {Stata Journal},
  year = {2004},
  volume = {4},
  pages = {95--96}
}

@Article{tip42,
  author = {J. Cui},
  title = {Stata tip 42: The overlay problem: Offset for clarity},
  journal = {Stata Journal},
  year = {2007},
  volume = {7},
  pages = {141--142}
}

@Article{tip47,
  author = {N. J. Cox},
  title = {Stata tip 47: Quantile--quantile plots without programming},
  journal = {Stata Journal},
  year = {2007},
  volume = {7},
  pages = {275--279}
}

@Article{tip52,
  author = {N. J. Cox},
  title = {Stata tip 52: Generating composite categorical variables},
  journal = {Stata Journal},
  year = {2007},
  volume = {7},
  pages = {582--583}
}

@Article{tip59,
  author = {N. J. Cox},
  title = {Stata tip 59: Plotting on any transformed scale},
  journal = {Stata Journal},
  year = {2008},
  volume = {8},
  pages = {142--145}
}

@inrep{cox99,
  author = {N. J. Cox},
  title = {dm70: Extensions to generate, extended. {\em Stata Technical 
     Bulletin} 50:\ 9--17},
  year = {1999},
  booktitle = {Stata Technical Bulletin Reprints},
  publisher = {Stata Press},
  address = {College Station, {\smrm TX}},
  volume = {9},
  pages = {34--45}
}

@inrep{cox99a,
  author = {N. J. Cox},
  title = {dm45.1: Changing string variables to numeric: update. {\em Stata Technical Bulletin} 49:\ 2},
  booktitle = {Stata Technical Bulletin Reprints},
 publisher	= {Stata Press},
 address	= {College Station, {\smrm TX}},
  volume = {9}, 
  pages = {14},
  year = {1999}
}

@inrep{cox99b,
  author = {N. J. Cox},
  title = {dm45.2: Changing string variables to numeric: update. {\em Stata Technical Bulletin} 52:\ 2},
  booktitle = {Stata Technical Bulletin Reprints},
 publisher	= {Stata Press},
 address	= {College Station, {\smrm TX}},
  volume = {9}, 
  pages = {14},
  year = {1999}
}

@inrep{cox_dm79,
  author = {N. J. Cox},
  title = {dm79: Yet more new matrix commands. {\em Stata Technical 
     Bulletin} 56:\ 4--8},
  year = {2000},
  booktitle = {Stata Technical Bulletin Reprints},
  publisher = {Stata Press},
  address = {College Station, {\smrm TX}},
  volume = {10},
  pages = {17--23}
}

@inrep{coxgould97,
  author = {N. J. Cox and W. W. Gould},
  title = {dm45: Changing string variables to numeric. {\em Stata Technical Bulletin} 37:\ 4--6},
  booktitle = {Stata Technical Bulletin Reprints},
 publisher	= {Stata Press},
 address	= {College Station, {\smrm TX}},
  volume = {7}, 
  pages = {34--37},
  year = {1997}
}

@inrep{coxgr41,
  author = {N. J. Cox},
  title = {gr41: Distribution function plots. {\em Stata Technical 
     Bulletin} 51:\ 12--16},
  year = {1999},
  booktitle = {Stata Technical Bulletin Reprints},
  publisher = {Stata Press},
  address = {College Station, {\smrm TX}},
  volume = {9},
  pages = {108--112}
}

@article{coxgr41.1,
  author = {N. J. Cox},
  title = {Software update: gr41\_1: Distribution function plots},
  year = {2003},
  journal = {Stata Journal},
  publisher = {Stata Press},
  address = {College Station, {\smrm TX}},
  volume = {3},
  pages = {211}
}

@article{coxgr41.2,
  author = {N. J. Cox},
  title = {Software update: gr41\_2: Distribution function plots},
  year = {2003},
  journal = {Stata Journal},
  publisher = {Stata Press},
  address = {College Station, {\smrm TX}},
  volume = {3},
  pages = {449}
}

@inrep{coxgr42,
  author = {N. J. Cox},
  title = {gr42: Quantile plots, generalized. {\em Stata Technical 
     Bulletin} 51:\ 16--18},
  year = {1999},
  booktitle = {Stata Technical Bulletin Reprints},
  publisher = {Stata Press},
  address = {College Station, {\smrm TX}},
  volume = {9},
  pages = {113--116}
}

@inrep{coxgr42.1,
  author = {N. J. Cox},
  title = {gr42.1: Quantile plots, generalized: update to Stata 7.0. {\em Stata Technical Bulletin} 61:\ 10--11},
  year = {2001},
  booktitle = {Stata Technical Bulletin Reprints},
  publisher = {Stata Press},
  address = {College Station, {\smrm TX}},
  volume = {10},
  pages = {55--56}
}

@article{coxgr42.2,
  author = {N. J. Cox},
  title = {Software update: gr42\_2: Quantile plots, generalized},
  year = {2004},
  journal = {Stata Journal},
  publisher = {Stata Press},
  address = {College Station, {\smrm TX}},
  volume = {4},
  pages = {97}
}

@Misc{coxkohler03,
 author       = {Nicholas J. Cox and Ulrich Kohler},
 title        = {FAQ: Dealing with multiple responses.{\hfil\break}
            \mbox{http://www.stata.com/support/faqs/data/multresp.html}},
 year         = {2003},
}

@ARTICLE{coxma95,
  author = {Christopher Cox and Guangqin Ma},
  year = {1995},
  title = {Asymptotic confidence bands for generalized nonlinear regresion
  models},
  journal = {Biometrics},
  volume = {51},
  pages = {142--150}
}

@BOOK{coxon,
  author = {A. P. M. Coxon},
  title = {The User's Guide to Multidimensional Scaling},
  year = 1982,
  publisher = {Heinnemann},
  edition    = {},
  address = {London}
}

@BOOK{coxsnell,
  author = {D. R. Cox and E. J. Snell},
  title = {Analysis of Binary Data},
  year = 1989,
  edition = 2,
  publisher = {Chapman \& Hall},
  address = {London}
}

@inrep{coxstb60,
  author = {N. J. Cox},
  title = {dm89: Dropping variables or observations with missing values. {\em Stata Technical Bulletin} 60:\ 7--8},
  year = {2001},
  booktitle = {Stata Technical Bulletin Reprints},
  publisher = {Stata Press},
  address = {College Station, {\smrm TX}},
  volume = {10},
  pages = {44--46}
}

@Article{coxtip12,
  author = {N. J. Cox},
  title = {Stata tip 12: Tuning the plot region aspect ratio},
  journal = {Stata Journal},
  year = {2004},
volume = {4}, 
  pages = {357--358}
}

@article{coxtip15,
  author = {N. J. Cox},
  title = {Stata tip 15: Function graphs on the fly},
  year = {2004},
  journal = {Stata Journal},
  volume = {4},
  pages = {488--489}
}

@article{coxtip17,
  author = {N. J. Cox},
  title = {Stata tip 17: Filling in the gaps},
  year = {2005},
  journal = {Stata Journal},
  volume = {5},
  pages = {135--136}
}

@article{coxtip2,
  author = {N. J. Cox},
  title = {Stata tip 2: Building with floors and ceilings},
  year = {2003},
  journal = {Stata Journal},
  publisher = {Stata Press},
  address = {College Station, {\smrm TX}},
  volume = {3},
  pages = {446--447}
}

@article{coxtip21,
  author = {N. J. Cox},
  title = {Stata tip 21: The arrows of outrageous fortune},
  year = {2005},
  journal = {Stata Journal},
  publisher = {Stata Press},
  address = {College Station, {\smrm TX}},
  volume = {5},
  pages = {282--284}
}

@article{coxtip27,
  author = {N. J. Cox},
  title = {Stata tip 27: Classifying data points on scatter plots},
  year = {2005},
  journal = {Stata Journal},
  publisher = {Stata Press},
  address = {College Station, {\smrm TX}},
  volume = {5},
  pages = {604--606}
}

@article{coxtip30,
  author = {N. J. Cox},
  title = {Stata tip 30: May the source be with you},
  year = {2006},
  journal = {Stata Journal},
  publisher = {Stata Press},
  address = {College Station, {\smrm TX}},
  volume = {6},
  pages = {149--150}
}

@article{coxtip33,
  author = {N. J. Cox},
  title = {Stata tip 33: Sweet sixteen: Hexadecimal formats and precision problems},
  year = {2006},
  journal = {Stata Journal},
  publisher = {Stata Press},
  address = {College Station, {\smrm TX}},
  volume = {6},
  pages = {282--283}
}

@article{coxtip39,
  author = {N. J. Cox},
  title = {Stata tip 39: In a list or out? In a range or out?},
  year = {2006},
  journal = {Stata Journal},
  publisher = {Stata Press},
  address = {College Station, {\smrm TX}},
  volume = {6},
  pages = {593--595}
}

@article{coxtip51,
  author = {N. J. Cox},
  title = {Stata tip 51: Events in intervals.},
  year = {2007},
  journal = {Stata Journal},
  volume = {7},
  pages = {440--443}
 }

@article{coxtip71,
  author = {N. J. Cox},
  title = {Stata tip 71: The problem of split identity, or how to group dyads},
  year = {2008},
  journal = {Stata Journal},
  volume = {8},
  pages = {588--591}
 }

@article{coxtip78,
  author = {N. J. Cox},
  title = {Stata tip 78: Going gray gracefully: Highlighting subsets and
             downplaying substrates},
  year = {2009},
  journal = {Stata Journal},
  volume = {9},
  pages = {499--503}
 }

@article{sjtip64,
  author = {J. Herrin and E. Poen},
  title = {Stata tip 64: Cleaning up user-entered string variables},
  year = {2008},
  journal = {Stata Journal},
  volume = {8},
  pages = {444--445}
 }

@article{coxtip9,
  author = {N. J. Cox},
  title = {\mbox{Stata tip 9:} Following special sequences},
  journal = {Stata Journal},
  year = {2004},
  volume = {4},
  pages = {223}
}

@inrep{coxwernow00a,
  author = {N. J. Cox and J. B. Wernow},
  title = {dm80: Changing numeric variables to string. {\em Stata Technical Bulletin} 56:\ 8--12},
  booktitle = {Stata Technical Bulletin Reprints},
 publisher	= {Stata Press},
 address	= {College Station, {\smrm TX}},
  volume = {10}, 
  pages = {24--28},
  year = {2000}
}

@inrep{coxwernow00b,
  author = {N. J. Cox and J. B. Wernow},
  title = {dm80.1: Update to changing numeric variables to string. {\em Stata Technical Bulletin} 57:\ 2},
  booktitle = {Stata Technical Bulletin Reprints},
 publisher	= {Stata Press},
 address	= {College Station, {\smrm TX}},
  volume = {10}, 
  pages = {28--29},
  year = {2000}
}

@Article{cragg83,
 author		= {J. Cragg},
 title		= {More efficient estimation in the presence of heteroskedasticity of unknown form},
 journal	= {Econometrica},
 volume		= {51},
 pages		= {751--763},
 month      = {},
 year		= {1983}
}

@Book{cramer,
 author         = {Harold Cram{\'e}r},
 title          = {Mathematical Methods of Statistics},
 publisher      = {Princeton University Press},
 address        = {Princeton, {\smrm NJ}},
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 year           = {1946}
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@Article{crouch:90,
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@Article{crowder95,
 author         = {M. Crowder},
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@Inproceedings{fishchp4,
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@Article{fisher1921,
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@Article{fisher1935,
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@ARTICLE{fisher18,
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@ARTICLE{fisher40,
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@ARTICLE{fisher42,
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@inrep{newson00e,
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@article{newson00g,
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@inrep{newson00h,
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@article{newson00i,
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@inrep{newson2000,
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@Article{newson2002,
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@Article{newson2006a,
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@inrep{newson99,
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  title = {dm65: A program for saving a model fit as a dataset. {\em Stata Technical Bulletin} 49:\ 2--6},
  year = {1999},
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  volume = {9},
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}

@ARTICLE{newsonrev05,
  author = {R. Newson},
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  journal = {Stata Journal},
  volume = {5}, 
  pages = {130--133},
  year = {2005}
}

@Article{newsontree,
 author		= {R. Newson},
 title		= {Efficient calculation of jackknife confidence intervals for rank statistics},
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 volume		= {15},
 pages		= {1--10},
 year		= {2006},
}

@Book{newton88, 
 author         = {H. J. Newton},
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  address        = {Belmont, CA},
  year           = {1988}
  }

@inproceedings{newton93,
  author = {H. J. Newton},
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  address = {Amsterdam},
  volume = {},
  pages = {803--823},
  editor = {C. R. Rao}
}

@inrep{newton:2001,
author = {H. J. Newton},
title  = {an75: The Stata Journal begins publication fourth quarter 2001.
             {\em Stata Technical Bulletin} 61:\ 2--4},
booktitle = {Stata Technical Bulletin Reprints},
publisher = {Stata Press},
address = {College Station, {\smrm TX}},
volume = {10},
year = {2001},
pages = {2--5}
}

@ARTICLE{newtoncox03,
 author		= {H. J. Newton and N. J. Cox},
 title		= {The Stata Journal so far:  Editor's report},
 journal        = {Stata Journal},
 volume         = {3},
 pages		= {105--108},
 year		= {2003}
}

@Article{nic81,
 author		= {S. J. Nickell},
 title		= {Biases in dynamic models with fixed effects},
 journal	= {Econometrica},
 volume		= {49},
 pages		= {1417--1426},
 month		= {},
 year		= {1981}
}

@misc{nichols06,
   Author = {Austin Nichols},
   Title = {Weak instruments: An overview and new techniques},
   note = {Boston, MA: 5th North American Stata Users Group meetings},
   Year = {2006}, 
   url ={\hfil\break http://www.stata.com/meeting/5nasug/wiv.pdf}
}

@Misc{nlsy,
   author       = "{\mbox{Center for Human Resource Research}}",
   title        = {National Longitudinal Survey of Labor Market Experience,
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   howpublished = {Ohio State University},
   year         = {1989}
}

@Article{norton,
 author         = {Edward C. Norton and Hua Wang and Chunrong Ai},
 title          = {Computing interaction effects and standard errors in logit
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 journal        = {Stata Journal},
 volume         = {4},
 pages          = {154--167},
 year           = {2004}
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@Book{norusis05,
 author     = {Marija Norusis},
 title      = {SPSS 13.0 Advanced Statistical Procedures Companion},
 publisher  = {Prentice Hall},
 address    = {Upper Saddle River, {\smrm NJ}},
 edition    = {},
 year       = {2005}
}

@Misc{note,
 note = {\parbox{\linewidth}{\medskip We have found the following references
 to be useful to students taking the course we teach at Ohio State.  Perhaps
 in the next edition, more of these could be referenced by Vittinghoff,
 Glidden, Shiboski, and McCulloch.}\medskip\def\eat#1{\relax}\eat},
}

@Article{nowak04,
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 year       = {2004}
}

@Book{numrecc,
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 edition	= {2},
 year		= {1992}
}

@ARTICLE{nurminen,
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@Misc{ oasisodt,
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}

@Article{obuchowski,
author = {N. A. Obuchowski},
year = {1997}, 
title = {Nonparametric analysis of clustered ROC data},
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volume = {53}, 
pages = {567--578}
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@ARTICLE{oldham62,
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@BOOK{oldham68,
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}

@Article{olive,
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@Article{olleypakes,
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}

@incollection{olson02,
    author    = {Olson, J M},
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    booktitle = {Biostatistical Genetics and Genetic Epidemiology},
    editor    = {Elston, R C and Olson, J and Palmer, L},
    publisher = {Wiley},
    pages     = {460--472},
    year      = {2002},
 address        = {Chichester, UK},
}

@Article{pacietal,
 author		= {Pierella Paci and Heather Joshi and Gerry Makepeace and Peter Dolton},
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 pages		= {60--65},
 year		= {1995}
}

@Article{paganhall83,
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}

@BOOK{paganullah99,
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  year = 1999,
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  address = {Cambridge}
}

@Article{paganyvella89,
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 pages		= {229--259},
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@inproceedings{ parma05ber,
	author = "Berardina Cesare and Pierpaolo Vittorini and Elisa Sallusti and Vincenza Bontempo and Maria Graziani and Stefano Necozione and Ferdinando {di Orio}",
	title = "Le abitudini alimentari dei ragazzi di scuola media nel {Comune} di {L'Aquila}: Risultati di uno studio descrittivo",
	booktitle = "IX Conferenza Nazionale di Sanit{\`a} Pubblica",
	year = 2005,
	note = "in {Italian}"
}

@ARTICLE{parunak79,
  author = {A. Parunak},
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@ARTICLE{parzen04,
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@ARTICLE{parzen79,
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@ARTICLE{parzen93,
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  pages = {3287--3304}
}

@book{pb00,
 author     = {J. C. Pinheiro AND D. M. Bates},
 title      = {Mixed-Effects Models in {S} and {S}-{P}lus},
 publisher  = {Springer},
 address    = {New York},
 year       = 2000
}

@Book{pearcesmith,
author = {E. A. Pearce and C. G. Smith},
year = {1984}, 
title = {The World Weather Guide},
edition    = {},
address = {London},
publisher = {Hutchinson}
}

@Article{pearson,
 author         = {Karl Pearson},
 year           = {1901},
 title          = {On lines and planes of closest fit to systems of points in space},
 journal        = {Philosophical Magazine, {\rm 6th ser.,}},
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@ARTICLE{perline2005,
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@unpublished{pesaran04,
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}

@article{pesaran06,
   Author = {M. H. Pesaran},
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   multifactor error structure},
   Journal = {Econometrics},
   Volume = {74},
   Pages = {967--1012},
   Year = {2006} 
}

@article{pesaransmith,
   Author = {M. H. Pesaran and R. Smith},
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   Journal = {Journal of Econometrics},
   Volume = {68},
   Pages = {79--113},
   Year = {1995} 
}

@Article{pesarantaylor99,
 author		= {M. Hashem Pesaran and Larry W. Taylor},
 title		= {Diagnostics for IV regressions},
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 volume		= {61},
 pages		= {255--281},
 month      = {May},
 year		= {1999}
}

@ARTICLE{peterson90,
  author = {Bercedis Peterson and Harrell, Jr., F. E.},
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}

@Article{petersongeorge,
author = {B. Peterson and S. L. George},
year = {1993},
title = {Sample size requirements and length of study for testing interaction
in a $1 \times k$ factorial design when time-to-failure is the outcome},
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volume = {14},
pages = {511--522}
}

@Article{peto:72,
  author = {R. Peto and J. Peto},
  title = {Asymptotically efficient rank invariant test
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  year = {1972},
  journal = {Journal of the Royal Statistical Society, Series~B},
  volume = {135},
  pages = {185--206}
}

@Article{phillipshale1977,
 author		= {G. D. A. Phillips and C. Hale},
 title 		= {The bias of instrumental variable estimators of 
 		   simultaneous equation systems},
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 volume		= {18},
 pages		= {219--228},
 year		= {1977}
}

@article{phillipssul,
   Author = {P. Phillips and D. Sul},
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   Journal = {Econometrics Journal},
   Volume = {6},
   Pages = {217--259},
   Year = {2003} 
}

@Book{ php,
	title = "Learning PHP 5",
	author = "David Sklar",
	howpublished = "Online resource",
	publisher = "O'Reilly",
	address  = "Sebastopol, CA",
	year = "2004"
}

@Article{piegorsch94,
  author    = {W. W. Piegorsch and C. R. Weinberg and J. A. Taylor},
  title     = {Non-hierarchical logistic models and case-only designs for assessing susceptibility in population-based case--control studies},
  journal   = {Statistics in Medicine},
  volume    = {13},
  pages     = {153--162},
  year      = {1994} 
}  

@Article{pinheiro:95,
  author = {J. C. Pinheiro and D. M. Bates},
  title = {Approximations to the log-likelihood function in the nonlinear
  mixed-effects model},
  year = {1995},
  journal = {Journal of Computational Graphics and Statistics},
  volume = {4},
  pages = {12--35}
}

@BOOK{pinrub,
  author = {Robert S. Pindyck and Daniel L. Rubinfeld},
  year = 1998,
  title = {Econometric Models and Economic Forecasts},
  publisher = {McGraw--Hill},
  edition  = {4},
  address = {New York}
}

@inrep{pisati2001,
  author = {M. Pisati},
  title = {sg162: Tools for spatial data analysis. {\em Stata Technical 
     Bulletin} 60:\ 21--37},
  year = {2001},
  booktitle = {Stata Technical Bulletin Reprints},
  publisher = {Stata Press},
  address = {College Station, {\smrm TX}},
  volume = {10},
  pages = {277--298}
}

@ARTICLE{pitman39,
  author = {E. J. G. Pitman},
  title = {A note on normal correlation},
  year = 1939,
  journal = {Biometrika},
  volume = 31,
  pages = {9--12}
}

@article{pitman_perm,
  author = {E. J. G. Pitman},
  title = {Significance tests which may be applied to samples from any populations},
  journal = {Supplement to the Journal of the Royal Statistical Society},
  volume = {4},
  year = {1937},
  pages = {119--130},
}

@Article{plackett, 
  author = {R. L. Plackett},
  title = {Data analysis before 1750},
  year = {1988},
  journal = {International Statistical Review},
  volume = {56},
  pages = {181--195}
}

@Inproceedings{poi02,
  author = {Brian P. Poi},
  title = {Dairy policy and consumer welfare},
  booktitle = {Three Essays in Applied Econometrics},
 publisher	= {Department of Economics, University of Michigan},
  volume = {},
  pages = {Chapter II, Doctoral thesis},
  year = {2002}
}

@Article{poi04,
  author = {Brian Poi},
  title = {From the help desk: some bootstrapping techniques},
  journal = {Stata Journal},
  year = {2004},
volume = {4}, 
  pages = {312--328}
}

@misc{poifaq02,
    author={Brian P. Poi},
    title={FAQ: Predict and adjust},
    year={2002},
    howpublished={\hfil\break\mbox{http://www.stata.com/support/faqs/stat/adjust.html}}
}

@Book{pollock,
 author         = {Pollock III, P. H.},
 title          = {A Stata Companion to Political Analysis},
 publisher      = {CQ Press},
 address        = {Washington, DC},
 edition        = {},
 year           = {2006}
}

@Article{poolegreen,
  author     = {C. Poole and S. Greenland},
  title      = {Random-effects meta-analyses are not always conservative},
  journal    = {American Journal of Epidemiology},
  volume     = {150},
  pages      = {469--475},
  year       = {1999}
}  

@Article{postmanetal,
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  title = {Probes of large-scale structures in the Corona Borealis region},
  year = {1986},
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  volume = {92},
  pages = {1238--1247}
}

@Article{prentice,
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  observation},
  year = {1988},
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  volume = {44},
  pages = {1033--1048}
}

@Article{prenticepyke,
  author = {R. L. Prentice and R. Pyke},
  title = {Logistic disease incidence models and case--control studies},
  year = {1979},
  journal = {Biometrika},
  volume = {66},
  pages = {403--411}
}

@Article{priors,
 author         = {A. Gelman},
 title          = {Prior distributions for variance parameters in
                         hierarchical models},
 journal        = {Bayesian Analysis},
 volume         = {1},
 pages          = {515--534},
 year           = {2005}
}

@Article{puhani,
 author		= {Patrick A. Puhani},
 title		= {The Heckman correction for sample selection and its critique},
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 volume		= {14},
 pages		= {53--68},
 month		= {February},
 year		= {2000}
}

@ARTICLE{quetelet,
  author = {A. Quetelet},
  title = {Recherches sur la population, les naissances, les d{\'e}c{\`e}s,
  les prisons, les d{\'e}p{\^o}ts de mendicit{\'e}, etc., dans le Royaume des
  Pays-Bas},
  year = 1827,
  journal = {Nouveaux M{\'e}moires de l'Acad{\'e}mie Royale des Sciences et
  Belles-lettres de Bruxelles},
  volume = 4,
  pages = {117--192}
}

@BOOK{rB1996,
  author = {Richard Breen},
  year = 1996,
  title = {Regression Models: Censored, Sample Selected, or Truncated Data},
  publisher = {Sage},
 address        = {Thousand Oaks, CA},
}

@Book{rabe-hes,
  author = {S. Rabe-Hesketh and A. Skrondal},
  title = {Multilevel and Longitudinal Modeling Using Stata},
  publisher  = {Stata Press},
  address    = {College Station, {\smrm TX}},
  edition    = {},
  year       = {2005}
}

@Book{rabe-hes08,
  author = {S. Rabe-Hesketh and A. Skrondal},
  title = {Multilevel and Longitudinal Modeling Using Stata},
  publisher  = {Stata Press},
  address    = {College Station, {\smrm TX}},
  edition    = {2},
  year       = {2008}
}

@inrep{rabe:2000a,
  author = {S. Rabe-Hesketh and A. Pickles and C. Taylor},
  title  = {sg129: Generalized linear latent and mixed models. {\em
Stata Technical Bulletin} 53:\ 47--57},
  booktitle = {Stata Technical Bulletin Reprints},
  publisher = {Stata Press},
  address = {College Station, {\smrm TX}},
  volume = {9},
  year = {2000},
  pages = {293--307}
}

@Article{rabe:2001b,
  author = {S. Rabe-Hesketh and T. Touloupulou and R. M. Murray},
  title = {Multilevel modeling of cognitive function in schizophrenics 
and their first degree relatives},
  year = {2001},
  journal = {Multivariate Behavioral Research. \mbox{\space}},
  volume = {36},
  pages = {279--298}
}

@Article{rabe:2001d,
  author = {S. Rabe-Hesketh and S. Yang and A. Pickles},
  title = {Multilevel models for censored and latent responses},
  year = {2001},
  journal = {Statistical Methods in Medical Research. \mbox{\space}}, 
  volume = {10},
  pages = {409--427}
}

@Article{rabe:2001e,
  author = {S. Rabe-Hesketh and A. Pickles and A. Skrondal},
  title = {{\smrm GLLAMM}: A general class of multilevel models and a 
Stata program},
  year = {2001},
  journal = {Multilevel Modelling Newsletter},
  volume = {13},
  pages = {17--23}
}

@techreport{rabe:2001f,
  title = {{\smrm GLLAMM} Manual},
  year = {2001},
  author = {S. Rabe-Hesketh and A. Pickles and A. Skrondal},
  address = {London},
  number  = {2001/01},
  institution = {Department of Biostatistics and Computing, Institute of Psychiatry, {King's} College, University of London},
  url = {http://www.iop.kcl.ac.uk/iop/departments/biocomp/programs/gllamm.html}
  }

@Book{rabeeveritt,
  author = {Sophia Rabe-Hesketh and Brian Everitt},
  year = {2007},
  title = {A Handbook of Statistical Analyses Using Stata},
  edition = {4},
  address = {Boca Raton, FL},
  publisher = {Chapman \& Hall/CRC}
}

@Article{raffnetal,
author = {E. Raffn and S. Mikkelsen and D. G. Altman and J. M. Christensen and
S. Groth},
year = {1988},
title = {Health effects due to occupational exposure to cobalt blue dye among
plate painters in a porcelain factory in Denmark},
journal = {Scandinavian Journal of Work and Environmental Health},
volume = {14},
pages = {378--384}
}

@ARTICLE{rag01,
  AUTHOR =       "T.E. Raghunathan and J.M. Lepkowski and J. Van Hoewyk and P. Solenberger",
  TITLE =        "A multivariate technique for multiply imputing missing values using a sequence of regression models",
  JOURNAL =      "Survey Methodology",
  YEAR =         "2001",
  volume =       "27",
  pages =        "85--95",
}

@Book{ragin,
 author     = {Charles C. Ragin},
 title      = {The Comparative Method: Moving Beyond Qualitative and Quantitative Strategies},
 publisher  = {University of California Press},
 address    = {Berkeley},
 edition    = {},
 year       = {1987}
}

@book{ragin00,
  author = {C. Ragin},
  title = {Fuzzy-Set Social Science},
  publisher = {University of Chicago Press},
  address = {Chicago},
  year = {2000}
}

@article{ragin06,
  author = {C. Ragin},
  title = {Set relations in social research: Evaluating the consistency and coverage},
  journal = {Political Analysis},
  year = {2006},
  volume = {14},
  pages = {291--310}
}

@incollection{ragin07,
  author = {C. Ragin},
  title = {Fuzzy set analysis: Calibration versus measurement},
  booktitle = {Oxford Handbook of Political Methodology},
  editor = {J. Box-Steffensmeier and H. Brady and D. Collier},
  publisher = {Oxford University Press},
  address = {Oxford},
  pages = {},
  year = {2008}
}

@Book{rao,
   author      = {C. R. Rao},
   title       = {Linear Statistical Inference and its Applications},
    publisher = {Wiley},
   address     = {New York},
   edition     = {2},
   year        = {1973}
}

@Book{rasbashetal,
  author = {J. Rasbash and W. Browne and H. Goldstein},
  title = {MLwiN 2.0 Command Manual},
  year = {2003},
  publisher = {Chapman \& Hall/CRC},
  address = {Boca Raton, FL},
}

@book{rasch60,
  author = {G. Rasch},
  title = {Probabilistic Models for Some Intelligence and Attainment Tests},
  year = {1960},
  publisher = {Danmarks P{\ae}dagogiske Institut},
  address = {Copenhagen}
}

@inproceedings{rasch61,
  author = {G. Rasch},
  title = {On general laws and the meaning of measurement in psychology},
  year = {1961},
  booktitle = {Proceedings of the IV Berkeley Symposium on Mathematical
  Statistics and Probability},
  publisher = {University of California Press},
  editor = {J. Neyman},
  address = {Berkeley, CA},
  pages = {321--333}
}

@BOOK{reingold,
  author = {E. M. Reingold and N. Dershowitz},
  title = {Calendrical Calculations: The Millennium Edition},
  year = {2001},
  publisher = {Cambridge University Press},
  address = {Cambridge},
  url = {See also\newline http://www.calendarists.com for errata and extra
  material}
}

@BOOK{reissthomas,
  AUTHOR =   {R.-D. Reiss and M. Thomas},
  TITLE =    {Statistical Analysis of Extreme Values with Applications to
  Insurance, Finance, Hydrology, and Other Fields},
  PUBLISHER = {Birkh\"auser},
  YEAR =      {2001},
  address =   {Basel}
}

@book{ reuse02,
	title = "Reuse-Based Software Engineering: Techniques, Organizations, and Measurement",
	author = "Hafedh Mili and Ali Mili and Sherif Yacoub and Edward Addy",
	year = "2002",
	address = "New York",
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@Inproceedings{higgins2,
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   address    = {Lyon, France},
   year       = {2001}
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@misc{ranktest,
author={Kleibergen, F. and M. E. Schaffer},
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year={2007}
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@inproceedings{sarganMetr,
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@Book{stockwatson2003,
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@incollection{stockYogo2005,
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@misc{autorkatzkerney,
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@Misc{azevedo,
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@Article{bakeretal,
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@misc{baum06,
   Author = {Christopher F. Baum},
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@Article{bss07,
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volume = {7},
pages = {465--506}
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@Misc{bssw06,
author = {Christopher F. Baum and Mark Schaffer and Steven Stillman and Vince Wiggins},
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 howpublished   = {Statistical Software Components S396802, 
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 year		= {2006},
   note = {Downloadable from \mbox{http://ideas.repec.org/c/boc/bocode/s396802.html}}
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@Article{black99,
author = {Sandy Black},
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title = {Do better schools matter?  Parental valuation of elmentary education},
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@Article{blinder73,
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@inproceedings{card95b,
author = {David E. Card},
title = {Using geographic variation in college proximity to estimate the return to schooling},
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	year={1995},
	publisher={University of Toronto Press},
        address = {Toronto, Canada},
	editor={L. Christofides and E. Kenneth Grant and Robert Swindinsky}
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@Article{card99,
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@Article{card01,
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@Article{cfm97,
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year            = {1997}
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@misc{dinardo02,
 author		= {John DiNardo},
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@misc{dinardolee02,
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@Article{dfl96,
author          = {John DiNardo and Nicole M. Fortin and Thomas Lemieux},
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year            = {1996}
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@Book{fangijbels,
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@Article{gomstern,
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@Article{grilhaus,
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@Article{htk01,
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year            = {2001}
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@Article{hsc03,
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year            = {2003}
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@Article{heckvy,
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@Article{holland,
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@misc{imbenslemieux,
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@Misc{jann05a,
author = {Ben Jann},
 title		= {jmpierce: Stata module to perform Juhn--Murphy--Pierce decomposition},
 howpublished   = {Statistical Software Components S448803, 
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@Misc{jann05b,
author = {Ben Jann},
 title		= {oaxaca: Stata module to compute decompositions of outcome differentials},
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@Misc{jann06,
author = {Ben Jann},
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@inproceedings{jmp91,
author          = {Chinhui Juhn and Kevin M. Murphy and Brooks Pierce},
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@Article{jmp93,
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@misc{llm05,
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@misc{mccrary07,
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@Article{morganharding,
author          = {Stephen L. Morgan and David J. Harding},
title           = {Matching estimators of causal effects: Prospects and pitfalls in theory and practice},
journal         = {Sociological Methods and Research},
volume          = {35}, 
pages           = {3--60},
year            = {2006}
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@Article{oaxaca,
author          = {Ronald Oaxaca},
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year            = {1973}
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@Article{poi06,
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year            = {2006}
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@Article{rubin90,
author          = {Donald B. Rubin},
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@Article{sacerdote,
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@Misc{xtivreg2,
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 howpublished   = {Statistical Software Components S456501,
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 year		= {2007},
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}

@Misc{xtoverid,
 author		= {Mark Schaffer and Steven Stillman},
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 howpublished   = {Statistical Software Components S456779,
			Boston College Department of Economics},
 year		= {2006},
 note       = {Downloadable from \mbox{http://ideas.repec.org/c/boc/bocode/s456779.html}}
}

@Book{scc02,
author = {William R. Shadish and Thomas D. Cook and Donald T. Campbell},
title = {Experimental and Quasi-Experimental Designs for Generalized Causal Inference},
year = {2002},
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@article{simpson,
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@article{spence,
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@article{stone74,
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@Article{greenland03a,
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@Article{GSWHS,
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@Article{HH94,
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@Article{JMGC,
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@Article{lashfink,
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@Article{phillips03,
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@Article{phillipslapole,
  author = {C. V. Phillips and L. M. {LaPole}}, 
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@Book{bgr07,
author = {{H.-P.} Blossfeld and K. Golsch and G. Rohwer},
year = {2007}, 
title = {Event History Analysis with Stata},
address = {Mahwah, {\smrm NJ}},
publisher = {Lawrence Erlbaum}
}

@Book{br95,
author = {{H.-P.} Blossfeld and G. Rohwer},
year = {1995}, 
title = {Techniques of Event History Modeling: New Approaches to Causal Analysis},
address = {Mahwah, {\smrm NJ}},
publisher = {Lawrence Erlbaum}
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@Book{br02,
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@Article{nm1,
 author         = {D. G. Nel and C. A. {Van der Merwe}},
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 year                   = {1986}
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@Article{nm2,
 author         = {D. G. Nel and  C. A. {Van der Merwe} and B. K. Moser},
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 volume         = {19},
 year           = {1990}
}

@article{bennett50,
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  pages =        {87--90},
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@article{kim92,
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  year =         {1992},
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@article{james54,
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@article{yao65,
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@article{johansen80,
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